Unattended docker container updates

2019-07-13 docker linux Michael Kolb

To keep your container infrastructure up to date and therefore secure, there are two primary objectives that you need to achieve: Keep the host‘s operating system up to date Keep the content of your containers up to date Update the operating system Updating your operating system is quite straight forward. Just use the well known package managers to do the job for you. E.g. for Debian this would be as easy as running apt-get update && apt-get upgrade on a regular basis. Continue reading

Using the cloud as panic room

2018-02-03 macos linux Michael Kolb

Time to do something about it, and also about all other scenarios that threaten your digital heritage. Can the cloud be the safe place to backup all your data? But doesn’t uploading backups to the cloud also mean that others might be able to access it? In this article we will show a disaster recovery concept that you can use to backup infinite data amounts: It is free, easy to set up, and bullet prove.

Docker containers are insecure

2018-01-14 linux Michael Kolb

Everybody knows how to keep a linux box updated. It is also common sense that running things in docker containers is more secure by definition. After all they isolate services from each other. So if you are running containers on a fully patched host, there should be no security holes at all. Not even close! Keeping containers up to date is a total different thing. That brings up the questions how to keep your containers up to date, and how to decide wether containerising is really worth it in your scenario.